- From: Katie Haritos-Shea <ryladog@gmail.com>
- Date: Mon, 28 Aug 2017 22:53:03 -0400
- To: chagnon@pubcom.com
- Cc: WAI Interest Group <w3c-wai-ig@w3.org>
- Message-ID: <CAEy-OxFdDMpLY3=MPysGv9rM1yZvffcuAP4X6h2WffUm+YnnAA@mail.gmail.com>
Brian, I found the same thing, grouping alone doesn't work. I insert all the images I want in a group. Then I 'save as' that grouped image as a single image as a PNG (back into my images folder) - and then, re-insert that image back onto the slide. Then I apply the alt text to that. Katie Haritos-Shea 703-371-5545 On Aug 28, 2017 10:20 PM, "Chagnon | PubCom" <chagnon@pubcom.com> wrote: > Generally, A.T. can stumble when we group objects in any of our document > programs, especially when we want the A.T. to access the Alt-Text. You’ll > get different results depending upon the A.T., the authoring program, and > what types of elements are in the group. > > > > Best Practice: > > - Don’t group elements (or be sure to ungroup them before finalizing > the file or exporting to PDF). > - Put the Alt-text on just one element and artifact the others. > > > > Granted, PowerPoint (and M.S. Word) don’t yet allow us to artifact > elements in their programs, but if you’re exporting to PDF, you can > artifact them there. Adobe InDesign does, however, allow the designer to > artifact individual elements in the layout file, and that is carried over > into the exported PDF. We need similar capability in M.S. Office programs. > > > > --Bevi Chagnon > > > > *From:* Brian Stevens [mailto:bstevens@ilsworld.com] > *Sent:* Monday, August 28, 2017 5:04 PM > *To:* w3c-wai-ig@w3.org > *Subject:* PowerPoint "groups" alt text not seen by screen reader > > > > Hi, > > > > I am making PowerPoint graphics accessible using alt text. Some of them > are charts that are grouped vector graphics created in PowerPoint, so I > applied alt text to the group. When I test with NVDA, it reads the text > elements in the group, but does not read the alt text. NVDA doesn't seem to > read the alt text on any “groups” in PowerPoint. > > > > In order to work around this, I saved a rasterized PNG version of the > graphic to use instead, and added alt text to the PNG. NVDA reads this alt > text just fine. > > > > Is it okay for me to rasterize these charts? Is there a better way? > > > > I'm worried because I've learned that rasterizing text has some > readability drawbacks when it comes to screen magnification. Is it worth > the tradeoff? (Rasterizing would also limit translatability...) > > > > Also, does anyone have experiences with other screen readers not reading > alt text on PowerPoint groups? > > > > Many thanks for your help, > > > > Brian Stevens >
Received on Tuesday, 29 August 2017 02:53:26 UTC